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FILCO® 309

FILCO® 309 represents an epoxy resin formulated in a non-ionic water emulsion, specifically designed as a film-former within glass fiber sizings. Its appearance is that of a milky liquid, while its defining product characteristics include pure epoxy resin composition, a narrow particle size distribution, stability against hydrolysis and sedimentation, and remarkable mechanical shear stability even in diluted emulsions.

Brand:

  • FILCO

Functions:

  • Film Former

Chemical Family:

  • Epoxy & Epoxy Derivatives

Processing Methods:

  • Filament Winding, Pultrusion

Compatible Polymers & Resins:

  • Epoxies (EP), Phenolics, Unsaturated Polyester (UPE)

Appearance:

  • Milky liquid

Shelf LIfe:

  • 12 months

Soluble In:

  • Styrene

Technology:

  • Composite Materials

Physical Form:

  • Liquid

Characteristic:

  • Pure epoxy resin
  • Epoxy equivalent around 280 g/eq
  • Narrow particle size distribution
  • Hydrolysis and sedimentation stability from pH 2 to 12: min 48 hours
  • High mechanical shear stability of the diluted emulsion

Compatible:

  • Epoxy, Unsaturated polyester, Phenolic matrices

Material Features:

  • Excellent Compatibility
  • Good Sedimentation Stability
  • High Hydrolysis Resistance
  • High Shear Stability
  • Low Molecular Weight
  • Narrow Particle Size Distribution
  • Tacky

Processing Information:

  • FILCO® 309 is suggested as film former for glass fiber sizes for:
  • Filament winding roving
  • Pultrusion roving
  • Weaving roving

Compatible Reinforcements:

  • Carbon Fiber
  • Glass Fiber

Compatible Polymers and Resins:

  • Epoxies (EP)
  • Phenolics
  • Unsaturated Polyester (UPE)

Composite Materials Functions:

  • Film Former

Composites Processing Methods:

  • Filament Winding
  • Pultrusion

Handling Conditions:

  • FILCO® 309 should be stored in closed containers away from direct sun rays, at temperature between +15 and +35°C. In these conditions maximum suggested storage time is 12 months from production, in the original package. After that date product must be rechecked. Like all low-molecular-weight epoxies, FILCO® 309 can have formation of Crystals at temperatures below 15°C; in case it happens, product should be re-conditioned by mixing and stirring, following coim adivice.Prevent from freezing – thoroughly mix before use

Product Families

Composite Materials — Additives

  • Functional Additives
Characteristic nameValueUnit of measurementTest method
pH6 - 7.5MA148LFE
Viscosity (at 25°C, #3, 20rpm)1500 - 2500mPa.sMA143LFE
Solid Content52 - 56%MA145LFE
Epoxy Equivalent Weight (on dry resin)260 - 310gMA149LFE
Characteristic nameValueUnit of measurementTest method
Glass Transition Temperature-15°C
Average Particle Size200 - 700nmMA147LFE
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